DE3577881D1 - GOLD PRODUCTION FROM GOLD-CONTAINING, DIFFICULT-TO-LOCKABLE SULFIDIC MATERIALS WITH AN IRON CONTENT. - Google Patents
GOLD PRODUCTION FROM GOLD-CONTAINING, DIFFICULT-TO-LOCKABLE SULFIDIC MATERIALS WITH AN IRON CONTENT.Info
- Publication number
- DE3577881D1 DE3577881D1 DE8585306892T DE3577881T DE3577881D1 DE 3577881 D1 DE3577881 D1 DE 3577881D1 DE 8585306892 T DE8585306892 T DE 8585306892T DE 3577881 T DE3577881 T DE 3577881T DE 3577881 D1 DE3577881 D1 DE 3577881D1
- Authority
- DE
- Germany
- Prior art keywords
- gold
- lockable
- difficult
- iron content
- production
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B11/00—Obtaining noble metals
- C22B11/04—Obtaining noble metals by wet processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B11/00—Obtaining noble metals
- C22B11/08—Obtaining noble metals by cyaniding
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA000464183A CA1234291A (en) | 1984-09-27 | 1984-09-27 | Recovery of gold from auriferous refractory iron- containing sulphidic material |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3577881D1 true DE3577881D1 (en) | 1990-06-28 |
Family
ID=4128793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585306892T Expired - Lifetime DE3577881D1 (en) | 1984-09-27 | 1985-09-27 | GOLD PRODUCTION FROM GOLD-CONTAINING, DIFFICULT-TO-LOCKABLE SULFIDIC MATERIALS WITH AN IRON CONTENT. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4610724A (en) |
EP (1) | EP0177294B1 (en) |
AU (1) | AU569175B2 (en) |
CA (1) | CA1234291A (en) |
DE (1) | DE3577881D1 (en) |
GR (1) | GR852305B (en) |
ZA (1) | ZA857337B (en) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3534224A1 (en) * | 1985-09-23 | 1987-04-02 | Gock Eberhard Priv Doz Prof Dr | METHOD FOR THE WET-CHEMICAL EXTRACTION OF PRECIOUS METALS FROM CARBON-CONTAINING ARSENOPYRITE CONCENTRATES |
US4842644A (en) * | 1986-10-07 | 1989-06-27 | Senff Anthony N | Silver recovery method |
US4979987A (en) | 1988-07-19 | 1990-12-25 | First Miss Gold, Inc. | Precious metals recovery from refractory carbonate ores |
MY105658A (en) * | 1989-03-07 | 1994-11-30 | Butler Dean R | Noble metal recovery |
ES2038535B1 (en) * | 1991-06-14 | 1994-04-01 | Riotinto Minera Sa | PROCEDURE FOR THE HYDROMETALLURGICAL RECOVERY OF NON-IRON METALS IN ASHES OF PIRITAS. |
CA2054522C (en) * | 1991-10-30 | 2000-08-08 | C. Neil Smith | Ore feed heating |
US5256189A (en) * | 1992-05-20 | 1993-10-26 | Prime Resources Group Inc. | Aqueous oxidation of sulfidic silver ore |
US5364453A (en) * | 1992-09-22 | 1994-11-15 | Geobiotics, Inc. | Method for recovering gold and other precious metals from carbonaceous ores |
US5338338A (en) * | 1992-09-22 | 1994-08-16 | Geobiotics, Inc. | Method for recovering gold and other precious metals from carbonaceous ores |
US5320720A (en) * | 1993-01-05 | 1994-06-14 | Prime Resources Group Inc. | Extraction of precious metals from ores thereof |
RU2113522C1 (en) * | 1993-12-03 | 1998-06-20 | Джеобиотикс, Инк. | Method for biooxidation of refractory sulfide ores |
US5431717A (en) * | 1993-12-03 | 1995-07-11 | Geobiotics, Inc. | Method for rendering refractory sulfide ores more susceptible to biooxidation |
US5458866A (en) * | 1994-02-14 | 1995-10-17 | Santa Fe Pacific Gold Corporation | Process for preferentially oxidizing sulfides in gold-bearing refractory ores |
CN1034675C (en) * | 1994-03-25 | 1997-04-23 | 长春黄金研究所 | Quick-cyaniding gold-extracting method in autoclave |
US5489326A (en) * | 1994-10-04 | 1996-02-06 | Barrick Gold Corporation | Gold recovery using controlled oxygen distribution pressure oxidation |
US5851499A (en) * | 1996-09-11 | 1998-12-22 | Newmont Gold Company | Method for pressure oxidizing gold-bearing refractory sulfide ores having organic carbon |
US6368381B1 (en) | 1998-03-11 | 2002-04-09 | Placer Dome Technical Services, Ltd. | Autoclave using agitator and sparge tube to provide high oxygen transfer rate to metal-containing solutions |
US7604783B2 (en) | 2004-12-22 | 2009-10-20 | Placer Dome Technical Services Limited | Reduction of lime consumption when treating refractor gold ores or concentrates |
US8061888B2 (en) | 2006-03-17 | 2011-11-22 | Barrick Gold Corporation | Autoclave with underflow dividers |
US8252254B2 (en) | 2006-06-15 | 2012-08-28 | Barrick Gold Corporation | Process for reduced alkali consumption in the recovery of silver |
US7691346B2 (en) * | 2007-06-19 | 2010-04-06 | Chemical Lime Company | Process for recausticizing cyanide leach solutions |
CA2699415C (en) * | 2007-09-18 | 2013-12-03 | Barrick Gold Corporation | Process for mercury control during pressure oxidation |
RU2514900C2 (en) * | 2012-07-04 | 2014-05-10 | Общество с ограниченной ответственностью "Научно-иследовательский центр "Гидрометаллургия" | Processing of gold-bearing concentrates of two-fold hardness |
RU2552217C1 (en) * | 2014-04-04 | 2015-06-10 | Общество с ограниченной ответственностью "Научно-исследовательский центр "Гидрометаллургия" | Processing of gold-bearing concentrates of two-fold hardness |
EA026707B1 (en) * | 2015-01-22 | 2017-05-31 | Открытое Акционерное Общество "Иркутский Научно-Исследовательский Институт Благородных И Редких Металлов И Алмазов", Оао "Иргиредмет" | Method of extracting precious metals from refractory sulphide raw stock |
RU2627835C2 (en) * | 2016-01-12 | 2017-08-11 | Общество с ограниченной ответственностью "Комплексные технологии" | Method of complex processing of pyritic raw materials |
RU2636775C2 (en) * | 2016-02-20 | 2017-11-28 | Общество с ограниченной ответственностью "Научно-исследовательский центр "Гидрометаллургия" | Two-fold hardness gold-bearing concentrates processing method |
RU2629125C1 (en) * | 2016-11-25 | 2017-08-24 | Общество с ограниченной ответственностью "Научно-исследовательский центр "Гидрометаллургия" | Method of processing gold-containing concentrates of double holding |
EA035804B1 (en) * | 2017-08-11 | 2020-08-13 | Акционерное Общество "Полиметалл Инжиниринг" | Method of gold extraction from double refractory concentrates |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2777764A (en) * | 1954-07-09 | 1957-01-15 | American Cyanamid Co | Process of recovering precious metals from refractory source materials |
US4038362A (en) * | 1976-11-04 | 1977-07-26 | Newmont Explorations Limited | Increasing the recoverability of gold from carbonaceous gold-bearing ores |
CA1106617A (en) * | 1978-10-30 | 1981-08-11 | Grigori S. Victorovich | Autoclave oxidation leaching of sulfide materials containing copper, nickel and/or cobalt |
ES476055A1 (en) * | 1978-12-15 | 1979-11-01 | Redondo Abad Angel Luis | Process for non-ferrous metals production from complex sulphide ores containing copper, lead, zinc, silver and/or gold |
-
1984
- 1984-09-27 CA CA000464183A patent/CA1234291A/en not_active Expired
-
1985
- 1985-03-04 US US06/707,711 patent/US4610724A/en not_active Expired - Lifetime
- 1985-09-23 GR GR852305A patent/GR852305B/el unknown
- 1985-09-24 ZA ZA857337A patent/ZA857337B/en unknown
- 1985-09-25 AU AU47891/85A patent/AU569175B2/en not_active Ceased
- 1985-09-27 EP EP85306892A patent/EP0177294B1/en not_active Expired - Lifetime
- 1985-09-27 DE DE8585306892T patent/DE3577881D1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0177294A3 (en) | 1988-05-11 |
EP0177294B1 (en) | 1990-05-23 |
AU569175B2 (en) | 1988-01-21 |
EP0177294A2 (en) | 1986-04-09 |
GR852305B (en) | 1986-01-17 |
CA1234291A (en) | 1988-03-22 |
US4610724A (en) | 1986-09-09 |
ZA857337B (en) | 1986-05-28 |
AU4789185A (en) | 1986-04-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |